Spiral housing for a turbomachine
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United States of America Patent
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Apr 29, 1997
Grant Date -
N/A
app pub date -
Jun 12, 1995
filing date -
Sep 17, 1993
priority date (Note) -
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Abstract
A spiral housing with a spiral cross-section for a turbomachine, in which a disk diffuser with an upstream annular disk space is asymmetrical to the spiral cross-section. This spiral cross-section has a base circle of substantially constant diameter. The spiral cross-section also has a tongue region and a region adjacent to the tongue with circular spiral cross-sections extending to where an outside diameter of the spiral cross-section equals a specific diameter and the circular spiral cross-sections continue thereafter to increase in cross-section only axially.
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